1972 OLDSMOBILE CUTLASS Transmission & Drivetrain

Ring and Pinion Installation Kit, Master, GM 8.5 in. O Axle, Rear, Kit

Part Number: MGR-R8-5ORMK

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.5 in. O Axle, Rear, Kit

Part Number: MGR-R8-5ORT

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Estimated Ship Date: Oct 22, 2025 if ordered today

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PINION SHAFT

Part Number: PWT-3991019RED

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Cross Shaft, Lock Right Replacement, Chevy, 12-Bolt Truck, 30-Spline, Each

Part Number: PWT-SG1910

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Ring and Pinion

Part Number: MGR-G888411X

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5 in., O Axle, 10-Bolt, 3 Series, Set

Part Number: RMG-4900501

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Cross Shaft, Differential, Steel, GM, 12-Bolt, 8.875 in. Each

Part Number: RMG-8002691

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Gear, Ring and Pinion, 5.57:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-7900311

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Gear, Ring and Pinion, 5.86:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6900371

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 21, 2025 if ordered today

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Spool, Full Size, Steel, 35-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-81-1235-1

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC373

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Oct 21, 2025 if ordered today

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Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6900351

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.5 in. O Axle, Rear, Kit

Part Number: MGR-R8-5OR

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Differential rebuild kit

Part Number: SKF-SDK321

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Needle roller bearings, loose, spherical end, bag of 52

Part Number: SKF-C407-Q

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Estimated Ship Date: Oct 24, 2025 if ordered today

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SPACER,FLANGED, SDD, 6241007-2

Part Number: PWT-624007-SDD2

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